Platform: Add MUSCA_B1_SECURE_ENCLAVE platform

Change-Id: Iffbfe782222332fa0b94fc26c2eb9832d487f63e
Signed-off-by: Gabor Abonyi <gabor.abonyi@arm.com>
Signed-off-by: Mark Horvath <mark.horvath@arm.com>
diff --git a/docs/getting_started/tfm_user_guide.rst b/docs/getting_started/tfm_user_guide.rst
index d834785..58746ef 100644
--- a/docs/getting_started/tfm_user_guide.rst
+++ b/docs/getting_started/tfm_user_guide.rst
@@ -427,6 +427,12 @@
 
     srec_cat bin/tfm_s.bin -Binary -offset 0xA000000 bin/tfm_ns.bin -Binary -offset 0xA080000 -o tfm.hex -Intel
 
+Example application or regression tests on Musca-B1 using the Secure Enclave
+============================================================================
+
+Follow the above procedures, but to create a unified hex please check the
+:doc:`Musca-B1 Secure Enclave readme </platform/ext/target/musca_b1_secure_enclave/readme>`.
+
 ********************************************************
 Execute TF-M example and regression tests on MPS3 boards
 ********************************************************
diff --git a/docs/introduction/readme.rst b/docs/introduction/readme.rst
index 914ea6d..e867ba3 100644
--- a/docs/introduction/readme.rst
+++ b/docs/introduction/readme.rst
@@ -160,6 +160,10 @@
         - `PSoc64.
           <https://www.cypress.com/documentation/product-brochures/cypress-psoc-64-secure-microcontrollers>`_
 
+    - Secure Enclave system:
+
+        - :doc:`Musca-B1 Secure Enclave. </platform/ext/target/musca_b1_secure_enclave/readme>`
+
 The document :doc:`Platform Deprecation and Removal </docs/contributing/platform_deprecation>`
 lists the deprecated platforms planned to be removed from upstream.